News tagged with sun

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What happened to comet ISON?

Astronomers have long known that some comets like it hot. Several of the greatest comets in history have flown close to the sun, puffing themselves up with solar heat, before they became naked-eye wonders ...

Dec 05, 2013
4 / 5 (5) 0 | with audio podcast

SDO mission untangles motion inside the Sun

(Phys.org) —Using an instrument on NASA's Solar Dynamics Observatory, called the Helioseismic and Magnetic Imager, or HMI, scientists have overturned previous notions of how the sun's writhing insides move ...

Aug 28, 2013
5 / 5 (10) 2 | with audio podcast

Nearby failed stars may harbor planet

(Phys.org) —Astronomers, including Carnegie's Yuri Beletsky, took precise measurements of the closest pair of failed stars to the Sun, which suggest that the system harbors a third, planetary-mass object.The ...

Dec 16, 2013
4.9 / 5 (15) 1 | with audio podcast

NASA investigating the life of Comet ISON

After several days of continued observations, scientists continue to work to determine and to understand the fate of Comet ISON: There's no doubt that the comet shrank in size considerably as it rounded the ...

Dec 02, 2013
4.6 / 5 (8) 0 | with audio podcast